6493305139 has 2 divisors, whose sum is σ = 6493305140. Its totient is φ = 6493305138.

The previous prime is 6493305113. The next prime is 6493305151. The reversal of 6493305139 is 9315033946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6493305139 - 2⁵ = 6493305107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6493305095 and 6493305104.

It is not a weakly prime, because it can be changed into another prime (6493305179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3246652569 + 3246652570.

It is an arithmetic number, because the mean of its divisors is an integer number (3246652570).

Almost surely, 2^6493305139 is an apocalyptic number.

6493305139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6493305139 is an equidigital number, since it uses as much as digits as its factorization.

6493305139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 43.

The square root of 6493305139 is about 80581.0470209962. The cubic root of 6493305139 is about 1865.6146238562.

The spelling of 6493305139 in words is "six billion, four hundred ninety-three million, three hundred five thousand, one hundred thirty-nine".